Question No:1
Which of the following has the thickest wall?
[A] Left auricle
[B] Left ventricle
[C] Right auricle
[D] Right ventricle
Question No:2
‘Heart of heart’is
[A] SA-node
[B] AV-node
[C] Bundle of HIS
[D] Purkinje fibres
Question No:3
SA node is located in
[A] upper left corner of right atrium
[B] lower left corner of left atrium
[C] lower right corner of left atrium
[D] upper right corner of right atrium
Question No:4
Human heart is
[A] neurogenic
[B] myogenic
[C] cardiogenic
[D] digenic
Question No:5
Which of the following term does not apply to human heart?
[A] Pacemaker
[B] Four chambered
[C] Mitral valve
[D] Neurogenic
Question No:6
Rate of heartbeat is determined by
[A] SA node
[B] AV node
[C] Purkinje fibres
[D] Papillary muscles
Question No:7
In amphibia, the heart has
[A] two auricles and two ventricles
[B] two auricles and one ventricle
[C] one auricle and two ventricles
[D] one auricle, one ventricle and one sinus venosus
Question No:8
SA node is called pace maker of the heart. Why?
[A] It can change contractile activity generated by AV node
[B] It delays the transmission of impulse between the atria and ventricles
[C] It gets stimulated when it receives neural signal
[D] It initiates and maintains the rhythmic contractile activity of heart
Question No:9
Sino-A trial node (SAN) can generate impulses
[A] 70-75 min-1
[B] 50-55 min-1
[C] 35-40min-1
[D] 90-100min-1
Question No:10
The impulse of heartbeat originates from
[A] SAN
[B] AVN
[C] Vagus nerve
[D] Cardiac nerve
Question No:11
Rate of heart is determined by
[A] SAN
[B] AVN
[C] Purkinje fibres
[D] Bundle of His
Question No:12
Bundle of HIS is a group of
[A] ganglia
[B] nerve fibres
[C] muscular fibres
[D] connective tissue
Question No:13
Bundle of HIS found in
[A] right atrium
[B] left atrium
[C] both
[D] interventricular septum
Question No:14
An Atrioventricular valve prevents the back flow or leakage of blood from the
[A] right ventricle into the right atrium
[B] left atrium into the left ventricle
[C] aorta into the left ventricle
[D] d) pulmonary vein into the right atrium
Question No:15
How many double circulation are normally completed by the human heart in one minute?
[A] 8
[B] 16
[C] 36
[D] 72
Body Fluids and Circulation Mock Test-5
CategoriesNEET Biology